Financial Instruments and Risk Management - Reconciliation of the Beginning and Ending Balances of Assets and Liabilities Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Details) - Fair value input Level 3 - USD ($) $ in Thousands	12 Months Ended
	Sep. 27, 2025	Sep. 28, 2024
Reconciliation of beginning and ending balances of assets measured at fair value on recurring basis using significant unobservable inputs [Rollforward]
Beginning balance of over-the-counter options	$ 1,475	$ 0
Beginning balance realized during the period	(1,475)	0
Contracts purchased during the period	572	1,475
Change in the fair value of outstanding contracts	0	0
Ending balance of over-the-counter options	572	1,475
Reconciliation of beginning and ending balances of liabilities measured at fair value on recurring basis using significant unobservable inputs [Rollforward]
Beginning balance of over-the-counter options	193	806
Beginning balance realized during the period	(193)	(806)
Contracts purchased during the period	250	193
Change in the fair value of outstanding contracts	(0)	0
Ending balance of over-the-counter options	$ 250	$ 193